[LLVMbugs] [Bug 21644] New: COMDAT causes GNU AS for ARM crash

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21644

            Bug ID: 21644
           Summary: COMDAT causes GNU AS for ARM crash
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: weimingz at codeaurora.org
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13385
  --> http://llvm.org/bugs/attachment.cgi?id=13385&action=edit
test cpp

r218141 "In the Itanium ABI, move stuff to the comdat of variables with static
init." causes gnu as crash for ARM in some cases:

mytest.s: Assembler messages:
mytest.s:106: Internal error!
Assertion failure in get_line_subseg at
/prj/llvm-arm/home/sgundapa/crosstool_linaro/src/crosstool-ng-linaro-1.13.1-4.8-2014.01/builds/arm-linux-gnueabi-linux/.build/src/binutils-linaro-2.24-2013.12/gas/dwarf2dbg.c
line 271.


GNU assembelr version is :
GNU assembler version 2.24 (arm-linux-gnueabi) using BFD version (crosstool-NG
linaro-1.13.1-4.8-2014.01 - Linaro GCC 2013.11) 2.24


Attached are the test case and generated assembly files.

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